TY - BOOK AU - Young,Ronald M. TI - A monograph of the Genus Polyphylla Harris in America north of Mexico (Coleoptera: Scarabaeidae: Melolonthinae) T2 - Bulletin of the University of Nebarska State Museum U1 - 595.7649 PY - 1988/// CY - US PB - Board of Regents of the University of Nebraska ER -